package com.rds.common.utils;

import com.rds.common.core.redis.RedisCache;
import com.rds.common.exception.CustomException;
import com.rds.common.utils.spring.SpringUtils;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import com.rds.common.constant.HttpStatus;
import com.rds.common.core.domain.model.LoginUser;
import com.rds.common.exception.ServiceException;

import java.util.Set;

/**
 * 安全服务工具类
 * @author rds
 */
public class SecurityUtils
{
    /**
     * 获取用户账户
     **/
    public static String getLoginUserName()
    {
        try
        {
            return getLoginUser().getUser().getLoginName();
        }
        catch (Exception e)
        {
            throw new CustomException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 用户ID
     **/
    public static Long getUserId()
    {
        try
        {
            return getLoginUser().getUser().getUserId();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取部门ID
     **/
    public static Long getDeptId()
    {
        try
        {
            return getLoginUser().getUser().getDeptId();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取部门ID异常", HttpStatus.UNAUTHORIZED);
        }
    }
    
    /**
     * 获取用户账户
     **/
    public static String getUsername()
    {
        try
        {
            return getLoginUser().getUsername();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUser getLoginUser()
    {
        try
        {
            return (LoginUser) getAuthentication().getPrincipal();
        }
        catch (Exception e)
        {
            throw new ServiceException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication()
    {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword 真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     * 
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(Long userId)
    {
        return userId != null && 50000001L == userId;
    }

    /**
     * 获取公司ID
     **/
    public static Long getCompanyId()
    {
        try
        {
            return getLoginUser().getUser().getCompanyId();
        }
        catch (Exception e)
        {
            throw new CustomException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户ID
     **/
    public static Set<String> getRoleIds()
    {
        try
        {
            return getLoginUser().getRoleids();
        }
        catch (Exception e)
        {
            throw new CustomException("获取用户账户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 验证策略状态权限
     *
     * @param operateType 操作类型
     * @return 结果
     */
    public static boolean verifyPermissions(String operateType,String stateId)
    {
        if(!SecurityUtils.isAdmin(getUserId())){
            String key = getUserId()+"-"+operateType;
            String stateStr= SpringUtils.getBean(RedisCache.class).getCacheObject(key);
            if(stateStr!=null && !stateStr.equals("")){
                if(!stateStr.contains(stateId)){
                    return true;
                }
            }else{
                return true;
            }
        }
        return false;
    }
}
